In order to automatically sign in to Windows 10, you should disable the need to input a user name and password every time you log-in.
I will show you a way to accomplish this without losing the additional security that comes with having a password.
- First, press the Windows key + R to bring up a run box. Then, type netplwiz and hit enter.
- Once the User Accounts dialog box is opened, select your user account from the list and uncheck the “Users must enter a user name and password to use this computer” checkbox.
- After clicking the apply button, you will need to input your existing password twice and click OK.
That’s it. Now, you can close the User Accounts dialog, and next time you boot up the computer, you will not need to sign in manually.